I can fumble you can fumble he can fumble we can fumble you can fumble they can fumble
Forma com V-ing
I can be fumbling you can be fumbling he can be fumbling we can be fumbling you can be fumbling they can be fumbling
Perfeito
I can have fumbled you can have fumbled he can have fumbled we can have fumbled you can have fumbled they can have fumbled
Perfeito com V-ing
I can have been fumbling you can have been fumbling he can have been fumbling we can have been fumbling you can have been fumbling they can have been fumbling
Negação
Forma simple
I cannot fumble you cannot fumble he cannot fumble we cannot fumble you cannot fumble they cannot fumble
Forma com V-ing
I cannot be fumbling you cannot be fumbling he cannot be fumbling we cannot be fumbling you cannot be fumbling they cannot be fumbling
Perfeito
I cannot have fumbled you cannot have fumbled he cannot have fumbled we cannot have fumbled you cannot have fumbled they cannot have fumbled
Perfeito com V-ing
I cannot have been fumbling you cannot have been fumbling he cannot have been fumbling we cannot have been fumbling you cannot have been fumbling they cannot have been fumbling
Forma interrogativa
Forma simple
can I fumble? can you fumble? can he fumble? can we fumble? can you fumble? can they fumble?
Forma com V-ing
can I be fumbling? can you be fumbling? can he be fumbling? can we be fumbling? can you be fumbling? can they be fumbling?
Perfeito
can I have fumbled? can you have fumbled? can he have fumbled? can we have fumbled? can you have fumbled? can they have fumbled?
Perfeito com V-ing
can I have been fumbling? can you have been fumbling? can he have been fumbling? can we have been fumbling? can you have been fumbling? can they have been fumbling?
Forma interro-Negação
Forma simple
can I not fumble? can you not fumble? can he not fumble? can we not fumble? can you not fumble? can they not fumble?
Forma com V-ing
can I not be fumbling? can you not be fumbling? can he not be fumbling? can we not be fumbling? can you not be fumbling? can they not be fumbling?
Perfeito
can I not have fumbled? can you not have fumbled? can he not have fumbled? can we not have fumbled? can you not have fumbled? can they not have fumbled?
Perfeito com V-ing
can I not have been fumbling? can you not have been fumbling? can he not have been fumbling? can we not have been fumbling? can you not have been fumbling? can they not have been fumbling?